100021012202 has 8 divisors (see below), whose sum is σ = 150057099300. Its totient is φ = 50001979104.

The previous prime is 100021012199. The next prime is 100021012207. The reversal of 100021012202 is 202210120001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79982061721 + 20038950481 = 282811^2 + 141559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100021012207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4248827 + ... + 4272302.

Almost surely, 2^100021012202 is an apocalyptic number.

100021012202 is a deficient number, since it is larger than the sum of its proper divisors (50036087098).

100021012202 is an equidigital number, since it uses as much as digits as its factorization.

100021012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527000.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100021012202 its reverse (202210120001), we get a palindrome (302231132203).

The spelling of 100021012202 in words is "one hundred billion, twenty-one million, twelve thousand, two hundred two".